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128K Spectrum - can't figure out what's wrongLong time no post :) So I have this 128K Spectrum (+2 ROMs) that I cannot for the life of me figure out where the problem lies. Let's take a look a…
... -5, and A0 on the "lower" bank DRAMs are all showing ... is based on* the toastrack 128K/Amstrad +2 Grey, so think of it ... -
Games not compatible with the 128+ & grey +2Like the +2A & +3 thread, there are a few games that do not work correctly on the original 128+ and the grey +2. Two games that I know of that wil…
... ed 47 $09ts
im 2 ; 890d ed 5e $08ts
grey-2
; this routine ... 23 ; otherwise must be type 2, so go forward 23 bytes ... instructions
ld ($9c79),hl ; lower memory addresses
ld ($6f19),hl ... -
Modern PSU: picture improvement?I've recently seen advertised some 'replacement power supplies' for Spectrums for which the claim is made that they may make an improvement in pictur…
... / 48k / plus / 128k+ (toastrack) and the Amstrad +2 (grey) are all just ... if they output a lower voltage than a Sinclair PSU ... /> 1) AC output,
2) unsmoothed DC output,
3 ... to and including the Amstrad +2 (grey)]
4) regulated (stabilised ... -
Composit output on +2 and +3?I recently got hold of a dvd recorder for the purpose of recording speccy gameplay. It turns out that this particular recorder is not compatible wit…
... I'd pop open my grey 128k+2 since this mod seemed simple ... ), so I've cut the lower wire that connects to the ... -
Why no Sinclair if 2 support on modern hardware?Another wonder :) I appreciate that most games support Kemptson joystick so this joystick interface is used in modern hardware (Spectre/DivIDE et…
... , the +3 and black +2 have their memory bus multiplexing all done ... ports are fitted on the +2 grey, the +2 black and the +3 ... 16k/48k/+ machines and the 128k+ (toastrack), but you can use ... -
Startup colours of the Spectrum ROMHi Folks, Thought I would have a go at changing the startup colours of the Spectrum ROMs used within BasinC which ships with 48.rom (16384 bytes) …
... $02
PutWord(@Memory[$11E3], $00ED); // Trap 2 - Test and clear
PutWord(@Memory[$12E9], $00ED); // Trap the call to CLS-LOWER. Don't ... the 128k ROM.
// 128K Command Traps
PutWord(@Memory[$12A0 ... -
What to buy +2, +2A, +2B, +3??Hi all I've always wanted to buy a 128k Spectrum and I've seen some lately in eBay going for cheap. The 128K+ is expensive I understand because of…
... Spectrum 48k, ZX Spectrum 128k, ZX Spectrum +2 (grey) all use 9V ... at full load current. At lower currents, or with no ...
One version of the +2 (grey) does indeed have a manufacturing ... some of the 128k machines (128k toasttrack and the grey +2), to reduce ... -
128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…
... In the 128k machines there are TWO physical groups of memory chips ... any CPU access in ANY memory area in these RAM chips ... is trying to access screen memory or any other area ... />
The Sinclair 128k "toastrack" and the Amstrad +2 "grey" have a different ... -
The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... caused because the ULA's memory contention system does not stop ... instruction, the CPU does a memory refresh cycle. The contents of ... is only present in the 128k and +2 (grey). [url="https://www.worldofspectrum ... -
Replacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…
... or whether to use something lower-rated, such as a MuRata ... what Sinclair fitted in the 128K toastrack, but I think ... quote]
The 128K toastrack and the +2 (grey) already have composite video ... .
On my +2 (grey) I removed the chip. Bent ... -
Grey +2 with lines on some games on RGB connectionHi Everyone, Is it OK if I ask a question? I dug my +2 out of the loft after far too many years about a month ago, and I have finally got it ba…
The grey +2 uses the same ULA as the Sinclair 128K toastrack, this ULA ... in 128K machines (including the +2 grey) to provide management of the extra memory ... -
Grey +2 with lines on some games on RGB connectionHi Everyone, Is it OK if I ask a question? I dug my +2 out of the loft after far too many years about a month ago, and I have finally got it ba…
... in 128K machines (including the +2 grey) to provide management of the extra memory ... -
IM2 on a 128k SpectrumHello: I have found another article on IM2 found in Personal Computer News, Issue 90. In the article "Face up to the Time", I typed up the code (…
... hardware quirks though. 48K/toastrack/+2 grey Spectrums show screen 'snow' if ... the interrupt vector in contended memory ($4000..7FFF or banks 1 ... 48K and rain for the 128K machines.
It can ... -
+2A vs +2BFrom what I understand, the +2A like the one I have is black, while the +2B is grey. Logically, the +2B came after the +2A, but why is there a prefer…
... Limited launched the ZX Spectrum 128k model. The first Sinclair ... repackaged ZX Spectrum 128k with the Interface 2 joystick chip and ... As Amstrad had designed a lower cost PCB that was smaller ... cases. The +2A replaced the +2 grey once stocks of this model ... -
Repairs and Reparing.Hi All, Just finished resurrecting an Issue 3A board. Had black lines, so replaced the lower 16K RAM chips, Amazed they just cost a couple of doll…
... , or on ZX Spectrum 128, +2, +2A, +2B, +3 or +3B ... one or more of the ‘lower’ DRAM chip(s), the 4116 ... /> On issue 5, 6a, 128k (toastrack) and +2 (grey) machines, the second custom ... issue number of 4a or lower, unless it’s been upgraded ... -
128 +2 video connections.I have just got my hands on a Spectrum 128 +2 grey model all in working order, what I need to know is if I take a signal from the CVBS Composite Vid…
... hands on a Spectrum 128 +2 grey model all in working order ... -
SPECCY+2 110V POWER SUPPLYI live in the USA and I bought a ZX Spectrum 128k +2 in eBay.com. The problem is that i don't know how to turn it on. All the major US appliances use…
... I bought a ZX Spectrum 128k +2 in eBay.com. The problem ... -
Multiface problemsHi there, OK, I was troubling the guys in the chat forum with this yesterday, but I'll reiterate here. Here is the hardware I am testing: Spectrum…
... br />
Spectrum +2 (grey case)
Spectrum 128K+
Multiface 128 ... correctly with both the +2 and the 128K (in 48K modes). However ... works with the 128K+ machine. On the +2 it simply causes ... swapping the Z80 in the +2 (as recommended by the ... -
[NEW]: Spectaculator 4.0Hi everyone, Finally managed to finish it... enjoy! --- [NEW]: Spectaculator 4.0 Spectaculator is a Sinclair ZX Spectrum emulator for PCs runnin…
... Spectaculator emulates the 16K/48K/128K/+2/+2A Spectrums and plenty of ... br />
o Brand new memory contention system and cycle-accurate ... Changed the contended memory model for the 128k/+2 since 3.0 ... the cassette recorder when in 128k mode.
... -
128K +2 Built in TapeDeck ( Not Working ) HELP Hi to all I have the Black 128 +2 with built in tape deck , but it's not working ? ? , Play , Forward & Rewind don'y do anything once pressed .( W…
... /> I have the Black 128 +2 with built in tape deck ... -
[NEW]: Spectaculator 6.0Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…
... Spectaculator emulates the 16K/48K/128K/+2/+2A/+3 Spectrums, the ...
(little-endian) in main memory.
- Displays ... and data from either main memory or a
... .
o Loading a 128k SNA snapshot will automatically switch ... -
Entire Sinclair Software Collection For Sale - Built Up Since 1988!Sinclair Spectrum Software For Sale Information below includes the title of the software, the type of media it is supplied on and the price. I can a…
... Your Graphics Programming And Save Memory.]?????????????????????????????????? (Print ?N? Plotter ... Ocean ? 1986)
128K/+2 (2 Cassettes)
?3.00 ...
48K/128K/+2/+3???????????????? (2 Cassettes)
?2.00
Help with +2 soundMy first post on this fantastic website. I have used it for information and games for my emulator for about a year and a half now, but unfortunately …
... RGB-interface for my new +2 (grey model) to use it with ...ANN: Spectaculator 6.2[NEW]: Spectaculator 6.2 Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emul…
[NEW]: Spectaculator 6.2
Spectaculator is ... /> Spectaculator emulates the 16K/48K/128K/+2/+2A/+3 Spectrums, the Russian ... 's new in version 6.2
-------------------------
o ... emulation of the 16k, 48k, 128k and +2 ZX Spectrums :D
Power Pack for +2 - help!I recently bought a 128K +2 Speccy on Ebay for ?4 (bargain!). It all looks sound enough and in very good condition EXCEPT for the power pack which …
I recently bought a 128K +2 Speccy on Ebay for ?4 ( ...The Black And Grey Spectrum......I think I got this right - Black Speccy - +2 Grey Speccy - +2A Is this right......... I had a +2 along time ago and Frank Bruno's boxing would not…
... -
Black Speccy - +2
Grey Speccy - +2A
Is ... .........
I had a +2 along time ago and Frank ...Grell And Falla - Am I doing something wrong?OK, anybody remember a game called Grell and Falla in the Enchanted Gardens? It was one of the Codies last budget releases on the Speccy, and quite a…
... it up on my 128k +2 Speccy (original grey model). It says on ... the back 'Excellent 128K music' but ... play it on the black 128k +2A I used to have ...Games for sale including rare utilitiesAll in good and complete condition unless otherwise stated. Postage not included but typically 50p-100p per item. The more you order, the lower the p…
... you order, the lower the postage. Please email ... /> Highway Encounter (Vortex) ? 2 (2 copies)
Championship Golf (D ... Artist II (Softechnics) (Special 128k / +2 version) ? 5
... 2
Howzat (Wyvern) ? 2
Panzer Attack (Lothlorien) - 2
2 ...Spectrum +2 No TV PictureHi, As a retro collector in Australia I thought it was time to check out a real Spectrum as they were never popular here. So I bought the Spectrum +…
... /> So I bought the Spectrum +2 (grey one) from a UK guy ... in the picture on my 2 PAL TV's
The ... and the pinouts for the +2 & +2A seem to be ...My new Spectrum 128K+2A...Hi guys, As most people here, my first micro computer (1986) was a Spectrum (128+2 grey - I'm in France). I sold it near 1990 to buy my 1st atari ST…
... (1986) was a Spectrum (128+2 grey - I'm in France).
2 O'clock in the morning ... too, I bought a second +2, a grey one... :lol:
Now ...
